CN202228215U

CN202228215U - Engine gas supply control device

Info

Publication number: CN202228215U
Application number: CN2011203375542U
Authority: CN
Inventors: 王作良
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-09
Filing date: 2011-09-09
Publication date: 2012-05-23
Anticipated expiration: 2021-09-09

Abstract

The utility model discloses an engine gas supply control device, which comprises a gas bottle. The bottleneck of the gas bottle is connected with a pressure reduction mechanism through a gas pipe. The gas outlet of the pressure reduction mechanism is connected with the input end of the gas mixing header pipe of an engine through a pressure reduction header pipe, or is directly connected with gas mixing branch pipes at the gas inlet end of the cylinder of the engine through pressure reduction branch pipes in one-to-one correspondence with the gas mixing branch pipes. A gas nozzle and a gas nozzle solenoid valve are respectively arranged on the two ends of each pressure reduction branch pipe and are controlled through a gas mixing controller. The input terminal of the gas mixing controller is correspondingly and electrically connected with the output terminal of an engine igniting mechanism. The gas outlet end of the pressure reduction mechanism is provided with a regulating valve and the gas inlet end of the pressure reduction mechanism is provided with a solenoid valve. The power supply path of the solenoid valve is in series connected with a multipath-controlled change-over switch. Another control terminal of the change-over switch is in series connected with the power supply path of an engine atomizer. The engine gas supply control device is reasonable in structure and can stably supply gas to an engine so as to drive all cylinders to operate smoothly. The engine gas supply control device is convenient in operation and facilitates the low-cost running of automobiles.

Description

A kind of engine gas air supply controller

Technical field

The utility model relates to a kind of engine gas air supply controller.

Background technique

Automobile is through self engine-driving and the transport facility that goes on the ground.Along with rapid economy development, people's living standard progressively improves.In China, the quantity that people buy the homebrew automobile gets more and more at present.Automobile increases, though brought convenience for people's trip and transportation, fuel oil is in short supply to have increased the cost of people with car again greatly with the constantly soaring of oil price, and people are liked not only but also hate automobile.Rock gas is a kind of multi-component mixed gas, and main component is an alkane, and wherein methane accounts for the overwhelming majority, and other has a spot of ethane, propane and butane.Under the standard condition, methane to butane exists with gaseous state, and pentane is above to be liquid.Rock gas is in combustion process, and the calorific value of generation is very high, and the fuel that can be used as motor uses.For gasoline; Use compressed natural gas to do the fuel driven automobile running; Expense is lower, and the material that can influence human respiratory system's health that produces is few, and the carbon dioxide of generation is merely about 40% of coal; The sulfur dioxide that produces also seldom has safe in utilization, advantages such as calorific value is high, cleaning.Since there is not special-purpose engine gas air supply controller, very unstable when using rock gas to drive engine rotation, had a strong impact on the development of gas combustion automobile.

The model utility content

The technical problem that the utility model will solve is to provide a kind of rational in infrastructure to above-mentioned deficiency, can stable air feed be provided for motor, drives the smooth and easy work of each stabilizer cylinder, and easy to operate engine gas air supply controller.

For solving the problems of the technologies described above; The structural feature of this engine gas air supply controller is: comprise gas cylinder; The gas cylinder oral area is connected with the mechanism of decompressor through tracheae; The outlet side of the mechanism of decompressor is connected with the mixed gas house steward input end of motor through the decompression house steward; Or directly connect one to one with the mixed gas branch pipe of cylinder inlet end through the decompression arm, decompression arm two ends are separately installed with by the blast nozzle and the blast nozzle solenoid valve that mix airgun controller control, the input end of mixed airgun controller and the corresponding electrical connection of Out let of engine ignition mechanism.

The engine gas air supply controller of this structure is to mix gas to realize and can drive the smooth and easy work of each stabilizer cylinder for motor provides stable air feed with synchronous gas-supplying structure through reducing pressure, and easy to operate.

Decompression gas mixed nub structure mainly comprises the gas cylinder and the mechanism of decompressor that is connected with gas cylinder through tracheae, and the outlet side of the mechanism of decompressor is mixed the gas house steward with motor or directly is connected with the mixed gas branch pipe of cylinder inlet end.Gas cylinder is the container of store compressed rock gas, for engine operation provides enough sources of the gas, is equivalent to the fuel tank on the orthodox car.The main effect of the mechanism of decompressor is that the compressed natural gas that gas cylinder is exported is carried out step-down, makes post-decompression rock gas satisfy the cylinder requirements of one's work, helps to practice thrift rock gas, reduces user cost.In mechanism of decompressor output terminal and automobile fuel gas air supply controller that mixed gas house steward is connected, post-decompression rock gas mixes with air in mixed gas house steward automatically, so just becomes the combination gas that drives the cylinder acting.Mechanism of decompressor output terminal directly with automobile fuel gas air supply controller that the mixed gas branch pipe of cylinder inlet end is connected in; Post-decompression rock gas gets into through the decompression arm and mixes gas branch pipe; Mix with getting into the air that mixes gas branch pipe, so also be mixed into the combination gas that drives the cylinder acting through mixed gas house steward.

In mechanism of decompressor output terminal and automobile fuel gas air supply controller that mixed gas house steward is connected, air feed is the mixed gas branch pipe of piston motion through being connected with mixed gas house steward by cylinder synchronously, comes to suck automatically combination gas and discharge waste gas after burning.Because combination gas flowing in cylinder sucked by cylinder automatically, is equivalent to passive air feed, therefore must realize corresponding air feed synchronously with each cylinder.Mechanism of decompressor output terminal directly with automobile fuel gas air supply controller that the mixed gas branch pipe of cylinder inlet end is connected in, air feed is to control the blast nozzle and the blast nozzle solenoid valve that are installed on the arm that reduces pressure and realize by mixing airgun controller synchronously.Because mix the input end of airgun controller and the corresponding electrical connection of Out let of engine ignition mechanism; Can gather the action sequence of each cylinder of motor in real time; Thereby make mixed airgun controller can accurately control the break-make of blast nozzle on the decompression arm and the open degree of blast nozzle solenoid valve; And then realize that gas cylinder through the air feed control of decompression arm to corresponding cylinder, ensures the normal operation when motor utilizes combustion gas work.

As improvement, the inlet end of the mechanism of decompressor is equipped with solenoid valve, is serially connected with the throw over switch of multichannel control in the supply access of solenoid valve, and another road control terminal of throw over switch is serially connected in the supply access of engine nozzle.

Through having multichannel control function conversion switch, can control the work of engine nozzle and the work of the mechanism of decompressor, so just realized that fuel oil drives the switching of cylinder action and the action of gas driven cylinder, it is very convenient to operate.

As further improvement, pressure transducer is installed on the tracheae, the pressure gauge that is electrically connected with pressure transducer is installed on the throw over switch.

The main effect of pressure transducer is to detect the endotracheal pressure that is communicated with gas cylinder in real time.Pressure gauge on the throw over switch receives the induced signal of pressure transducer, and changes into pressure value and show.Like this, people just can intuitively understand the force value of combustion gas in the gas cylinder, thereby in time carry out the switching of fuel oil or combustion gas, guarantee the continuous running of motor.

In sum, adopt the engine gas air supply controller of this structure, rational in infrastructure, can stable air feed be provided for motor, drive the smooth and easy work of each stabilizer cylinder, and easy to operate, help the low-cost running of automobile.

Description of drawings

In conjunction with accompanying drawing the utility model is explained further details:

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the structural representation of the utility model embodiment two.

Among the figure: 1 is gas cylinder, and 2 is tracheae, and 3 are the decompression house steward, and 4 for mixing the gas house steward, and 5 are the decompression arm; 6 for mixing gas branch pipe, and 7 for mixing airgun controller, and 8 is blast nozzle, and 9 is modulating valve, and 10 is throw over switch; 11 is solenoid valve, and 12 is pressure transducer, and 13 is oil nozzle, and 14 is pressure gauge, and 15 is motor; 16 is the mechanism of decompressor, and 17 is fuel pump, and 18 is the engine cycles water pipe, and 19 is the blast nozzle solenoid valve.

Embodiment

Embodiment one, as shown in Figure 1.This engine gas air supply controller comprises the gas cylinder 1 that is loaded with compressed natural gas, and gas cylinder 1 oral area is connected with the mechanism of decompressor 16 through tracheae 2, and the outlet side of the mechanism of decompressor is connected with mixed gas house steward 4 input ends of motor through decompression house steward 3.Gas cylinder 1 is the container of store compressed rock gas, for engine operation provides enough sources of the gas, is equivalent to the fuel tank on the orthodox car.The main effect of the mechanism of decompressor is that the compressed natural gas in the gas cylinder 1 is carried out step-down, makes post-decompression rock gas satisfy the cylinder requirements of one's work, helps to practice thrift rock gas, reduces user cost.Be provided with circulating water cavity in the mechanism of decompressor housing, the circulating water cavity two ends are connected with engine-cooling system through engine cycles water pipe 18, can improve mechanism of decompressor temperature like this, improve the combustion gas mixing atomizing effect.Post-decompression rock gas mixes with air in mixed gas house steward 4 automatically, so just becomes the combination gas that drives the cylinder acting.Combination gas is through being connected the mixed gas branch pipe 6 that mixes between gas house steward 4 outlet sides and cylinder, to the cylinder air feed of correspondence.When the piston in the cylinder outwards stretches, the cylinder space expansion, the combination gas that mixes in the gas house steward 4 just is inhaled in the cylinder through mixing gas branch pipe 6.In piston begins compression cylinder, during combination gas, mix gas branch pipe 6 and automatically shut down by engine control system to the passage of cylinder air feed, the Piston Compression combination gas, the combination gas blast also promotes the piston acting.When piston under inertia once more during the compression cylinder space, the combination gas waste gas after burning is discharged through outlet pipe.When piston outwards stretches under inertia once more, mix gas branch pipe 6 and opened automatically by engine control system to the passage of cylinder air feed, suck combination gas through mixing gas branch pipe 6 once more, and repeat said process.Because combination gas flowing in cylinder sucked by cylinder automatically, is equivalent to passive air feed, therefore must realize corresponding air feed synchronously with each cylinder.Like this, just can guarantee this engine gas air supply controller, can work swimmingly for motor provides to stablize air feed and drive each stabilizer cylinder.

In the present embodiment, the outlet side of the mechanism of decompressor is equipped with modulating valve 9.Through operating regulation valve 9, can regulate the gas quantity that flows in the cylinder, can ensure motor 15 proper functioning to satisfy, the requirement of practicing thrift gas consumption again helps to improve the combustion gas utilization ratio.The inlet end of the mechanism of decompressor is equipped with the solenoid valve 11 of control mechanism of decompressor inlet end break-make, and the power supply of solenoid valve 11 is by throw over switch 10 controls.Throw over switch 10 is the multichannel control switch, and road control terminal correspondence in the throw over switch 10 is serially connected in the supply access of solenoid valve 11.Like this, through promoting throw over switch 10, just can control electromagnetic valve 11 work, and then control mechanism of decompressor decompression work or stop.Another road control terminal of throw over switch 10 is serially connected in the supply access of engine nozzle 13, like this, through promoting throw over switch 10, just can control oil nozzle 13 and work or quit work.The Third Road control terminal of throw over switch 10 is serially connected in the supply access of fuel pump 17, can control the shutdown or the start work of fuel pump 17.In the present embodiment, throw over switch 10 is the integral type more-control switch, only need pull throw over switch 10 one time, just can realize that fuel oil drives the switching of cylinder action and the action of gas driven cylinder, and it is very convenient to operate.

Pressure transducer 12 also is installed on the tracheae 2, the pressure gauge 14 that is electrically connected with pressure transducer 12 is installed on the throw over switch 10.The main effect of pressure transducer is the pressure that detects in real time in the tracheae 2 that is communicated with gas cylinder 1.Pressure gauge 14 on the throw over switch 10 receives the induced signal of pressure transducers 12, and changes into pressure value and show.Like this, people just can intuitively understand the force value of combustion gas in the gas cylinder, thereby in time operate throw over switch 10 to carry out the switching of fuel oil or combustion gas, guarantee the continuous running of motor.

Embodiment two, as shown in Figure 2.The difference of engine gas air supply controller is in this engine gas air supply controller and the embodiment one, and the outlet side of the mechanism of decompressor is to connect one to one through decompression arm 5 mixed gas branch pipes 6 direct and the cylinder inlet end.Like this, post-decompression natural gas straight was connected decompression arm 5 and was got into mixed gas branch pipe 6, and mixed with getting into the air that mixes gas branch pipe 6 through mixed gas house steward 4, drove the combination gas that cylinder does work with formation.

Blast nozzle 8 and blast nozzle solenoid valve 19 that control mixes gas branch pipe 6 break-makes all are installed on each mixed gas branch pipe 6; The power input of blast nozzle 8 and blast nozzle solenoid valve 19 is electrically connected with and mixes airgun controller 7, mixes the input end of airgun controller 7 and the corresponding electrical connection of Out let of engine ignition mechanism.The input end that mixes airgun controller 7 can be gathered the action sequence of each cylinder of motor in real time; Thereby can accurately control the break-make of blast nozzle 8 on the decompression arm 5 and the open degree of blast nozzle solenoid valve 19; And then realize that gas cylinder 1 through the air feed control of decompression arm 5 to corresponding cylinder, has ensured the normal operation when motor utilizes combustion gas work.The input end that mixes airgun controller 7 also with the corresponding electrical connection of pair of output of throw over switch 10, can receive the state switching signal of throw over switch 10 like this.After mixed airgun controller 7 received the switching signal of throw over switch 10, just the working power of oil nozzle 13 was cut off in control, and control oil nozzle 13 quits work.

In above-mentioned two embodiments, the mechanism of decompressor adopts the decompression table of buying on the market, and its structure and working principle belong to known technology, no longer carefully state at this.

Claims

1. engine gas air supply controller; It is characterized in that: comprise gas cylinder (1); Gas cylinder (1) oral area is connected with the mechanism of decompressor through tracheae (2); The outlet side of the mechanism of decompressor is connected with mixed gas house steward (4) input end of motor through decompression house steward (3); Or directly connect one to one with the mixed gas branch pipe (6) of cylinder inlet end through decompression arm (5), decompression arm (5) two ends are separately installed with by the blast nozzle (8) and the blast nozzle solenoid valve (19) that mix airgun controller (7) control, the input end of mixed airgun controller (7) and the corresponding electrical connection of Out let of engine ignition mechanism.

2. engine gas air supply controller as claimed in claim 1; It is characterized in that: the inlet end of the mechanism of decompressor is equipped with solenoid valve (11); Be serially connected with the throw over switch (10) of multichannel control in the supply access of solenoid valve (11), another road control terminal of throw over switch (10) is serially connected in the supply access of engine nozzle.

3. engine gas air supply controller as claimed in claim 2 is characterized in that: pressure transducer (12) is installed on the tracheae (2), the pressure gauge (14) that is electrically connected with pressure transducer (12) is installed on the throw over switch (10).